Matches 1 - 50 out of 105 1 2 3 >
Match Document Document Title
6950731 Traffic pattern approach computer  
A mechanical computer used in tandem with a GPS to approach, enter and fly the traffic pattern of any uncontrolled airport. Pilots must navigate to a relatively small area or approach point before...
6279958 Food portion tabulator and method of use  
A food portion tabulator device that is an aid for calculating and evaluating an individuals daily intake of food portions. The device is self-contained, having various indicia pertinent to various...
5886331 Electronic calculator for determining truck driver log book values  
An electronic calculator for determining truck driver log book values including a liquid crystal display. Also included is a conventional numeric keypad having a matrix of numeric keys for allowing...
4551620 Biorhythms analog computer-calendar  
A Biorythms analog computer-calendar is provided to display without computations the level of the physical, the emotional, and the intellectual biorythms of a human body. The level of the three...
4538352 Shrinkage compensated measuring device  
The disclosure describes a shrinkage compensated measuring device comprising a first scale calibrated in units of length, e.g., inches or centimeters, and a second scale calibrated in units of...
4476380 Calculator  
A calculator of flat design with a surface chart showing marginal scales and diagonal inner ones. The top of the calculator serves as a cover attached marginally to a case underneath. Also, the top...
4274204 Aircraft traffic pattern computer  
An aircraft traffic pattern computer employing a slotted frame having a window surrounded by a compass rose which is movable in relation to the frame about a pivot point, the slotted frame being...
4203542 Calculating apparatus  
A calculator is described which greatly simplifies the calculation of the required feeder head parameters, e.g. size, amount of antipiping compound, in casting metals. Only the size of the casting...
4122994 Method and means for determining optimum average cycle lengths  
A method and computational aid for determining the optimum cycle lengths for use in a vehicular traffic control system wherein inbound and outbound traffic flow are equally favored. The method...
4117973 Calculating devices  
This invention relates generally to graphic calculating methods and apparatuses, and in particular to an apparatus by which the values and other factors pertaining to bonds, stocks and other...
4074116 Selector  
A device for selection of compressors, condensers, expansion valves, and evaporators for air conditioning or refrigeration systems.
3984657 Stock trend indicator  
A stock trend indicator and method of using is disclosed. The manipulable instrument is used with a standard stock chart to forecast an evaluation of future stock behavior.
3927395 Control device for tabulation printing  
A control device for tabulation printing comprises a tabset register for defining each column of a printing sheet to be tabulation-printed; storing means adapted to store a printing position on the...
3924104 Noise and reverberation sonar range computer  
This disclosure is directed to a slide rule type device for determining the noise and reverberation which limits sonar performance. The device includes a base and cursor upon which related...
3908112 Calculator for stereoscopic photography  
In the illustrative embodiment of the invention disclosed, a calculator for use in stereoscopic photography embodies a suitable combination and arrangement of scales and indicators for enabling...
3906193 Mathematical calculating  
The invention is a numerical calculator with which one can perform the mathematical operations multiplication, division, ratios, etc. The calculator operates by the combined use of an abscissa...
3883722 Active and passive sonar range computer  
A hand operated active and passive sonar range computer that relates various parameters depending on obtained oceanic values either actual or from charts in order to simply determine range.
3870225 VARIABLE LINEAR GRAPH  
A mechanical graph for calculating the linear relationship between two values. The graph includes a rectangular case having orthogonal graph lines thereon, with an origin at a corner of the graph....
3732399 COMBINED OVAL SLIDE RULE AND NOMOGRAPH  
A calculating device comprising a flat generally oval-shaped card member having a perimeter defining somewhat semicircular sections interconnected by a central elongated section. The central...
3719806 APPARATUS FOR CALCULATING HALFTONE SCREEN EXPOSURES  
An improved method and apparatus for calculating halftone screen exposures to produce photographic halftone reproductions useful in printing applications. In one embodiment, a slide-rule type...
3708653 METHOD AND DEVICE FOR THE DESIGN OF TWO PARAMETER DISTRIBUTION SYSTEM  
A device and method especially suited for use in the design of a cable television signal distribution system includes a chart having mutually perpendicular axes representing the signal intensities...
3685724 DEVICE FOR THE GRAPHICAL SOLUTION OF SIMULTANEOUS EQUATIONS  
A device for the graphical solution of the simultaneous equations A = f (D, C, K), which equations can be represented by nomographs, e.g., Larson's Nomograph, having two spaced vertical axes...
3650466 SLOPE CALCULATOR  
A manually operable computer for slope calculations and in particular for calculating air flow rates from a patient's spirogram including a circular indicating disc with a diametral line thereon...
3638311 NAVIGATIONAL CALCULATOR  
A calculator for solving navigational problems, particularly adaptable for use by pilots of light planes. The calculator is a single sheet of flexible, transparent material having a set of curves...
3563456 TYPE-FITTING CALCULATOR APPARATUS  
This invention is a type-fitting calculator apparatus having a type-fitting calculator chart with a plurality of indicia thereon; an actuator slide member provided with indicia thereon movable...
3559881 NOMOGRAM COMPUTER  
An instrument for solving mathematical problems and involves nomograms that enable the manipulation of a straight line to read off the value of a dependent variable when the value of an independent...
3473731 SPEED REGISTER  
3436012 KITCHEN CALCULATOR AND METHOD FOR USE  
3413648 X-y plotter combined with calculator  
3410483 Horsepower computer  
3409216 Grease flow predictor  
3403445 Polar coordinate chart reader  
3372867 Data indicating apparatus  
3333767 Calculator  
3289931 Discounted cash flow return rate template  
3276683 Calibration device  
3273795 Calculator for the decibel radar prediction system  
3220643 Navigation instrument  
3213544 Instrument for computing time of arrival at a destination  
3206113 Flight computing instrument  
3189272 Calculator device  
3163358 Refractionist's optical center location device  
3162363 Slide-rule for performing calculation involving screens to protect personnel against radiations  
3160851 Equipment for displaying the position of crafts on the map  
3160051 Pipe organ action  
3159339 Visual flight regulations navigator  
3139234 Right-angled triangle as an auxiliary calculating device  
3137443 Vector calculator  
3134540 Nomographic computing device  
3133352 Satellite alert  
Matches 1 - 50 out of 105 1 2 3 >